News tagged with fish populations

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15,000 reasons to worry about invasive species

A day at the beach in Wisconsin's North Woods didn't used to go like this. Candy Dailey spent a Fourth of July holiday splashing with grandkids on the sandy shore of Lake Metonga when she felt a nasty sting on her foot.

dateNov 09, 2009 in Ecology
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Some Canadian rivers at risk of drying up

(PhysOrg.com) -- Some Canadian rivers are at risk of drying up as impacts of climate change intersect with growing water demand from the country's cities, industries and agriculture, a new WWF report has found.

dateOct 15, 2009 in Environment
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Are all alien encounters bad?

The pages of ecological history are filled with woeful tales of destruction from non-native species -- organisms that originated elsewhere.

dateAug 30, 2011 in Ecology
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Single wild female

(PhysOrg.com) -- The release of a single female guppy into the wild can generate entire new populations, even with no males present, according to new research.

dateSep 22, 2011 in Plants & Animals
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